ZETA — ORC Rating | RegattaPages

GPH

643

OSN

627.5

LOA

10.977 m

Displacement

5197 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7103

Medium

0.9576

High

1.0931

Triple Offshore

Low

0.924

Medium

1.1823

High

1.3113

Boat Specifications

Dimensions

Length overall: 10.977 m
Beam: 3.59 m
Draft: 2.02 m
Displacement: 5197 kg
Crew weight: 160 kg
Wetted surface: 25.18 m²

Sails

Mainsail: 28.91 m²
Genoa: 37.43 m²
Spinnaker: 90.88 m²
Asymmetric spinnaker: 77.76 m²

Design

Type: X 372
Builder: X YATCHS
Designer: N. JEPPESEN
Year built: 1986

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,42,4.494413,52,5.05,60,5.31,75,5.7,90,5.94,110,5.77,120,5.5,135,4.83,146,4.270012,150,4.09
8,40.5,5.273499,52,5.98,60,6.26,75,6.65,90,6.85,110,6.78,120,6.58,135,5.93,150,5.149964
10,40.9,5.940305,52,6.59,60,6.78,75,7.02,90,7.24,110,7.24,120,7.13,135,6.78,150,6.09,151,6.036909
12,40.1,6.235935,52,6.86,60,7.03,75,7.2,90,7.5,110,7.59,120,7.48,135,7.23,150,6.82,157,6.507299
14,39.8,6.351822,52,6.97,60,7.17,75,7.39,90,7.7,110,7.93,120,7.83,135,7.6,150,7.23,180,6.6
16,39.8,6.416902,52,7.03,60,7.23,75,7.54,90,7.85,110,8.25,120,8.18,135,7.99,150,7.57,180,7.07
20,39.9,6.400186,52,7.04,60,7.27,75,7.68,90,8.05,110,8.73,120,8.83,135,8.78,150,8.32,180,7.75

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.05	5.31	5.7	5.94	5.77	5.5	4.83	4.09
8	5.98	6.26	6.65	6.85	6.78	6.58	5.93	5.15
10	6.59	6.78	7.02	7.24	7.24	7.13	6.78	6.09
12	6.86	7.03	7.2	7.5	7.59	7.48	7.23	6.82
14	6.97	7.17	7.39	7.7	7.93	7.83	7.6	7.23
16	7.03	7.23	7.54	7.85	8.25	8.18	7.99	7.57
20	7.04	7.27	7.68	8.05	8.73	8.83	8.78	8.32

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.34	146°	3.54
8	40.5°	4.01	150°	4.46
10	40.9°	4.49	151°	5.28
12	40.1°	4.77	157°	5.99
14	39.8°	4.88	180°	6.6
16	39.8°	4.93	180°	7.07
20	39.9°	4.91	180°	7.75

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